<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/index.css">

</head>
<body>
<div id="drop-wrap">
    <div class="drop-top">
        下拉菜单
        <ul class="drop-list">
            <li><a href ="#">下拉选项1</a></li>
            <li><a href ="#">下拉选项2</a></li>
            <li><a href ="#">下拉选项3</a></li>
            <li><a href ="#">下拉选项4</a></li>
        </ul>
    </div>

</div>
</body>
</html>